/*
 * BridJ - Dynamic and blazing-fast native interop for Java.
 * http://bridj.googlecode.com/
 *
 * Copyright (c) 2010-2015, Olivier Chafik (http://ochafik.com/)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Olivier Chafik nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY OLIVIER CHAFIK AND CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.bridj;

import java.nio.ByteBuffer;
import java.nio.IntBuffer;

class StringList {

    public final ByteBuffer stringsBuffer;
    public final IntBuffer offsetsBuffer;

    public StringList(String[] strings) {
        int n = strings.length;
        byte[][] bytes = new byte[n][];
        offsetsBuffer = ByteBuffer.allocateDirect(n * 4).asIntBuffer();
        int offset = 0;
        for (int i = 0; i < n; i++) {
            offsetsBuffer.put(i, offset);
            offset += (bytes[i] = strings[i].getBytes()).length + 1;
        }
        stringsBuffer = ByteBuffer.allocateDirect(offset);
        for (int i = 0; i < n; i++) {
            byte[] str = bytes[i];
            stringsBuffer.put(str);
            stringsBuffer.put((byte) 0);
        }
    }
}
